Clencher-tire for vehicle-wheels.



no. man;

retreated october s, 190s.

EEtcE.

PATENT ALBERT DE LASKI AND PETER DUNCAN THROPP, OF TRENTON, NEW JERSEY.

CLENCHER-TIRE FOR VEHICLE-WH EELS.

SPECIFICATION forming part of Letters Patent No. 740,877, dated octobere, 190e.

` Application led July 11| 1903.

To all whom it may concern:

Be it known that we, ALBERT DE LASKI and PETER DUNCAN THROPP, citizensof the United States, and residents of Trenton, in the county of Mercerand State of New Jersey, have invented a new and useful Clencher-Tirefor Vehicle-Wheels, of which the following is a specification.

Our invention relates to what are commonly known in the art asfclencher-tires for vehicle-wheels. Our object is to provide a durableand efficient tire of this character at low cost.

Our invention contemplates the employment of a circular-woven tubularfabric to retain the inner elastic infiatable tube as Well as the outerrubber coating of the tire in position.

In the accompanying drawings,Figure 1 is a transverse section throughthe tire and wheel-rim, showing the position of the parts when the tireis adjusted for use. Fig. 2 is a similar view showing a modified form ofclencher ring or hoop. Fig. 3 is a view looking toward the inner side ofa portion of the circular-woven tubular fabric; and Fig. 4 is a view ofthe same, showing the edges where it has been severed turned back intothe positions which they assume for holding the clencher rings or hoopsin position.

The rim of the Wheel is denoted by 1, It may be of any approved formsuitable for use in connection with clencher-tires and is provided atits opposite edges with inwardlycurved portions (denoted by 2 and 3) forreceiving the clencher rings or hoops embraced by the tubular fabric.

We have here shown the rim as provided with a spacing or seating piece 4resting on its exterior, with its outer face curved to receive the innerinflatable tube 5 of the tire, and with its inner face fitted to restupon the outer face of the rim 1. We have also shown the strip et ascurved on its opposite edges to conform to the curve ofthe woven fabricwhere it embracesthe clencher rings or hoops.

The circular-woven tubular fabric is denoted by 6, and its edges areshown as embracing the clencher rings or hoops 7 and S,A these rings orhoops being shown in Fig. 1 as circular in cross section. These rings orhoops may be steel-wire hoops or hoops of sans No. 165.098. on maar?any. other suitable material so fitted as to be adjusted to the rim andserve to prevent the elongation or creeping of the tire on the rim whenthe wheel is inV use, as Well as providing a shoulder for the engagementof the opposite ends 2 and 3 of the rim.

The circular-Woven tubular fabric 6 is provided at the time of itsWeaving (see Fig. 3) with threads, preferably three in nu mber,(denotedby 9, 10, and 11,) said threads being differentiated in color orotherwise from the warp-threads of the fabricf-and one of them,

' 9, being located at the crown of the inner'face of the tubular fabricto indicate the line along which the tubular fabric is to be cut inorder to provide the edges to be subsequentlyfolded.V

Figli, these turned-over edges are rmly secured, by means of lines ofstitching 12 and 13, to the body of the fabric, leaving spaces 14 and 15for the insertion of the rings or hoops 7 and 8, or the edges may beturned over the rings or hoops 7 and 8 instead of subsequently insertingthe rings or hoops in the spaces 14 and 15. v

lnvcompleting thetire the rubber tread or covering 16 may be applied tothe exterior of the woven part 6 after the latter has been placed inposition on the curing-arbor before being placed in the mold, the saidtread or covering 16 being preferably extended downwardly and partiallyover the parts of the fabric which surround the rings or hoops 7 and 8in order that the ends 2 and 3 ofthe rim may hold all parts securely inposition.

In Fig. 2 We have shown the clencher rings or 'strips 17 and 18 asoblong in cross-section instead of circular, and it is obvious thatother shapes than those shown may be utilized, as experience may requireor as may be found desirable to suit the tires to different forms ofrims.

The circular-woven tubular fabric which forms the reliable body of thetire to hold the ICO have been securely fastened.

other parts in the proper positionshas the advantage of having its hoopand weft in the normal positions in which they were woven, and hencethere is no tendency on the part of this body of the tire to creep outof the circular form in which it was wo'ven, and the manner of itsproduction is such that it will admit of introducing heavier yarns attheouter and lighter yarns at the inner portions, thus materiallyincreasing its body where the greatest strain is liable to occur.Furthermore, the turning back of the entire fabric over onto itselfprovides seats for the annular rings or hoops of great durability andstrength, while at the same time the fold is not clumsy and is entirelyhidden from View by the upper coating of rubber after the turned-overedges The introduction of the threads at the time 0f weaving thecircular tubular fabric also ser-ves to expedite the cutting of the tubeand the folding of its edges along lines which correspond to thewarp-threads of the fabric, so that the lines of cut and fold will betrue with respect to the lines of warp and will not weaken the fabric bycutting the warp-threads.

What We claim isl. In aclencher-tire, a circular-woven tubular fabriccut along its inner face and having its edges turned back onto the bodyportions to form pockets for the reception of the clencher rings orhoops.

2. .A fabric blank for a clcncher-tire consisting of a circular-woventubular fabric provided with a line along the crown of its inner face,the said line being differentiated in appearance from the fabric inproximity thereto for indicating the path along which Ithe tubularfabric is to be cut.

3. A fabric blank for a clencher-tire comprising a circular-woventubular fabric provided with aline alongthe crown of its inner face andlines spaced from said crown-line and extending parallel therewith, thesaid lines being differentiated in appearance from the fabric adjacentthereto to indicate the lines of cut and the lines of fold.

4. A clencher-tire comprising an inner inflatable tube, acircular-.woven tubular Afabric embracing said tube, the 'saidcircular-woven tubular fabric being cut and having its opposite edgesfolded back and secured to the body portion to form pockets for theclencher rings or hoops locatedin said pockets and a rubber tread orcovering applied to the exterior of said woven fabric.

In testimony that we claim the foregoing as our invention We havesigned. our names, in lpresence of two witnesses, this 8th day of June,1903.

Witnesses:

FREDK. HAYNES, HENRY THIEME.

